... safe ,reliable ,and easy to handle with high mobility .This series of tongs can be connected to computer comtrolling units and can ... . -Record and save the ultimate data ,such as :torque ,number of ciccles ,torque/time of .circles,torque/time. curves,date,time,well-team ... automatically control the making-up torque and the circle number.It rnsures each commected joint in the best condition . -You ...